// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package etcd

import (
	"crypto/tls"
	"crypto/x509"
	"strings"
	"time"

	"github.com/minio/minio/internal/config"
	"github.com/minio/minio/internal/fips"
	"github.com/minio/pkg/v3/env"
	xnet "github.com/minio/pkg/v3/net"
	clientv3 "go.etcd.io/etcd/client/v3"
	"go.etcd.io/etcd/client/v3/namespace"
	"go.uber.org/zap"
)

const (

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package cmd

import (
	"context"
	"errors"
	"fmt"

	etcd "go.etcd.io/etcd/client/v3"
)

var errEtcdUnreachable = errors.New("etcd is unreachable, please check your endpoints")

func etcdErrToErr(err error, etcdEndpoints []string) error {
	if err == nil {
		return nil
	}
	switch err {

	jsoniter "github.com/json-iterator/go"
	"github.com/minio/minio-go/v7/pkg/set"
	"github.com/minio/minio/internal/config"
	"github.com/minio/minio/internal/kms"
	"github.com/puzpuzpuz/xsync/v3"
	"go.etcd.io/etcd/api/v3/mvccpb"
	etcd "go.etcd.io/etcd/client/v3"
)

var defaultContextTimeout = 30 * time.Second

func etcdKvsToSet(prefix string, kvs []*mvccpb.KeyValue) set.StringSet {
	users := set.NewStringSet()
	for _, kv := range kvs {

    runs-on: ubuntu-latest

    services:
      openldap:
        image: quay.io/minio/openldap
        ports:
          - "389:389"
          - "636:636"
        env:
          LDAP_ORGANIZATION: "MinIO Inc"
          LDAP_DOMAIN: "min.io"
          LDAP_ADMIN_PASSWORD: "admin"
      etcd:
        image: "quay.io/coreos/etcd:v3.5.1"

```
~ mc admin config set myminio/ <key>
```

e.g: `mc admin config set myminio/ etcd` returns available `etcd` config args

```
~ mc admin config set play/ etcd
KEY:
etcd  federate multiple clusters for IAM and Bucket DNS

ARGS:
endpoints*       (csv)       comma separated list of etcd endpoints e.g. "http://localhost:2379"

		}
	}

	etcdCfg, err := etcd.LookupConfig(s[config.EtcdSubSys][config.Default], globalRootCAs)
	if err != nil {
		configLogIf(ctx, fmt.Errorf("Unable to initialize etcd config: %w", err))
	}

	if etcdCfg.Enabled {
		bootstrapTraceMsg("initialize etcd store")
		globalEtcdClient, err = etcd.New(etcdCfg)
		if err != nil {
			configLogIf(ctx, fmt.Errorf("Unable to initialize etcd config: %w", err))
		}

package dns

import (
	"context"
	"encoding/json"
	"errors"
	"fmt"
	"net"
	"sort"
	"strings"
	"time"

	"github.com/minio/minio-go/v7/pkg/set"
	clientv3 "go.etcd.io/etcd/client/v3"
)

// ErrNoEntriesFound - Indicates no entries were found for the given key (directory)
var ErrNoEntriesFound = errors.New("No entries found for this key")

// ErrDomainMissing - Indicates domain is missing

  rootPassword: {{ include "minio.root.password" . | b64enc | quote }}
  {{- if .Values.etcd.clientCert }}
  etcd_client.crt: {{ .Values.etcd.clientCert | toString | b64enc | quote }}
  {{- end }}
  {{- if .Values.etcd.clientCertKey }}
  etcd_client.key: {{ .Values.etcd.clientCertKey | toString | b64enc | quote }}
  {{- end }}

            {{- end }}
            {{- if .Values.etcd.endpoints }}
            - name: MINIO_ETCD_ENDPOINTS
              value: {{ join "," .Values.etcd.endpoints | quote }}
            {{- if .Values.etcd.clientCert }}
            - name: MINIO_ETCD_CLIENT_CERT
              value: "/tmp/credentials/etcd_client_cert.pem"
            {{- end }}
            {{- if .Values.etcd.clientCertKey }}

			return
		}
	}

	if globalEtcdClient != nil {
		// Borrowed from
		// https://github.com/etcd-io/etcd/blob/main/etcdctl/ctlv3/command/ep_command.go#L118
		ctx, cancel := context.WithTimeout(r.Context(), defaultContextTimeout)
		defer cancel()
		if _, err := globalEtcdClient.Get(ctx, "health"); err != nil {
			// etcd unreachable throw an error..
			switch r.Method {
			case http.MethodHead: